Strong coupling of single quantum dots to micropillars

被引：0
|
作者：
Goetzinger, S. [1 ,3 ]
Press, D. [1 ]
Reitzenstein, S. [2 ]
Hofmann, K. [2 ]
Loeffler, A. [2 ]
Kamp, M. [2 ]
Forchel, A. [2 ]
Yamamoto, Y. [1 ]
机构：
[1] Stanford Univ, EL Ginzton Lab, Stanford, CA 94305 USA
[2] Univ Wurzburg, Tech Phys, D-97074 Wurzburg, Germany
[3] ETH, Lab Phys Chem, CH-8093 Zurich, Switzerland
来源：
PHOTONIC MATERIALS, DEVICES, AND APPLICATIONS II | 2007年 / 6593卷
关键词：
cavity QED; strong coupling; quantum information; microcavity; single-photon source; quantum dot;
D O I：
10.1117/12.726311
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report on experiments where a single quantum dot is strongly coupled to a high-Q mode of a micropillar cavity. Photon correlation measurements confirm that the observed avoided crossing originates from strong coupling of a single quantum dot to the cavity mode. Cross-correlations between the cavity mode and the spectrally detuned quantum dot enabled us to assign the unexpected strong cavity emission to a coupling with the single quantum dot. The coupled quantum dot-microcavity system displays an Purcell factor of 61 and represents a single-photon source with all efficiency of 97%.
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页数：8
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